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Home My WebLink AboutS-222611S 2 1 TRENCH BACKFILL GROUND z .. �r } UNDISTURBED - LIMITS OF ELEV. 108 MIN. TRENCH v TRENCH NOTES' LOCATOR TAPE TIGHT SHEET SHORING 2' MIN. COLOR RED --- E UNDISTURBED TRENCH DAM TRF_NCH DAM COLOR RED TO LIMIT GROUND WATER -ENTRY FROM STREAM SOIL CDF OR A MIXTURE OF 50% NATIVE SOIL 1 } EXISTING GRADE 108'55 AND 50% BENTTONf1E 1 TRENCH DAM DETAIL 1' MIN. CLAY NO SCALE 20 20 ASPHALT CONCRETE (3" MIN.) 2' MIN. (TYP_) CONTRACTOR TO SUIT THE CONSTRUCTION OPERATIONS. REPLACEMENT PATCH TO BE SECTION C SCALE. 1'= 10'-0' 20 20 C 20 EXTEND INTO 20 z .. UNDISTURBED - 108 "SS SOIL -TYP. iv v TRENCH NOTES' LOCATOR TAPE TIGHT SHEET SHORING 2' MIN. COLOR RED --- _ 7.2,3,4,6,7,9,10 do 11. TRF_NCH DAM COLOR RED TO LIMIT GROUND WATER -ENTRY FROM STREAM CENTERED IN LIMITS OF EXISTING GRADE 1. THE TRENCH WIDTH AT THE TOP SHALL BE WITHIN THE PIPE SECTION TRENCH TRENCH DAM DETAIL 1 NO SCALE 20 20 ASPHALT CONCRETE (3" MIN.) CONTRACTOR TO SUIT THE CONSTRUCTION OPERATIONS. REPLACEMENT PATCH TO BE 1" THICKER THAN EXISTING TRAFFIC FLOW AND PROTECTION OF ADJACENT PROPERTY ARE THE CONTRACTOR'S RESPONSIBILITY. FINAL JOINT MUST ASPHALT CONCRETE TRENCH — €. BE SAW -CUT D CONTRACTOR, EXCEPT 11E1t1 =I, WATER TABLE EXISTING ASPHALT 6 CONCRETE \ 0 j 6" MIN BEFORE DE- I� III A?- �. GRAVEL BASE TRENCH I I { -- WATERING -I [ t EE 11 TRENCH 13ACKFILL REQUIRED FOR THE PROTECTION OF ADJACENT PROPERTIES AND IMPROVEMENTS- BACKFlLL TT MAY VARY GRAVEL BACKFg1 t I I FOR PIPE BEM UTILITY TRENCH GRAVEL- BACKFlLL 1' -2" (TIP.)- w w ¢ (2 ' 1 _NW -W2611 ¢ Z TYPICAL -PLAN PIPE SUPPORT TirPlydl ASPHALT TRENCH PATCH FOR SIDE UTILITIES DETAIL DO NO SCALE 2b z 20 20 132369 Q ..REVISED TO REFLECT KING COUNTY CONSTRUCTION RECORDS 7/96 _ : - - B.T o 6.171 E T. R O Municipality of Metropolitan Seattle ,ay Im See original fil copies for Garry Struthers Associates, [nC. awvN CHECKFO sc _ HuE i+o: cin�.r u""'ii - PARALiEL NO• submittal on approval avuin Ins J.H.W? GT./$.T. A76 ' 2955 80th Avenue SE s NEMMENOED- DRAWING NO:, signatures, and r en ineer's � �� M professi n I seal CONtRAUNO: PIPE BEDDING, TRENCHING AND Mercer Island, WA. 9 8 C115 lum W/M 29 -94 SHORING DETAILS TAILS � No- 2OOf 132 w U E 2!4X ROLL 158 i 6 i H f I I� € 1 AL NOTE: SEE TRENCH NOTES LOCATOR TAPE 17't NOTE- SEE TRENCH NOTES TRENCH NOTES' LOCATOR TAPE TIGHT SHEET SHORING 12,3,45,6,7,8,900 & 11_ COLOR RED --- _ 7.2,3,4,6,7,9,10 do 11. COLOR RED TO LIMIT GROUND WATER -ENTRY FROM STREAM EXISTING GRADE 1. THE TRENCH WIDTH AT THE TOP SHALL BE WITHIN THE � EXISTING GRADE CONSTRUCTION EASEMENT AND AS DETERMINED BY THE CONTRACTOR TO SUIT THE CONSTRUCTION OPERATIONS. SIDE SLOPES TO BE TRAFFIC FLOW AND PROTECTION OF ADJACENT PROPERTY ARE THE CONTRACTOR'S RESPONSIBILITY. SIDE SLOPES TO BE I( _ DETERMINED BY t ttii APPROXIMATE TRENCH — €. BY. CONTRACTOR, EXCEPT 11E1t1 =I, WATER TABLE BACKFILL - CONTRACTOR, EXCEPT 2 THE HEIGHT AND THE SUPPORT SYSTEM FOR THE VERTICAL AS OTHERWISE INDICATED 1 f =1 1 I =1 BEFORE DE- I =1! 1— A?- �. SECTION SHALL BE DETERMINED BY THE CONTRACTOR AS TRENCH I I { -- WATERING -I [ t EE 11 —I ii REQUIRED FOR THE PROTECTION OF ADJACENT PROPERTIES AND IMPROVEMENTS- BACKFlLL TT MAY VARY GRAVEL BACKFg1 t I I FOR PIPE BEM APPROXIMATE WATER TABLE GRAVEL- BACKFlLL °° ° ° ° 0 0 �z BEFORE DE- 3- TRENCH SUPPORT SYSTEM SHALL BE USED WHERE REQUIRED BY WJ_S.HIA PER CHAPTER 296 WAC. FOR PIPE BEDDING VERTICAL io WATERNG -155 2' MIN_ TRENCH ° ° _ = - MAY VARY l� SS 4 COMPACT BAC[ffILL ABOVE THE BEDDING ZONE TO 95 (Tvo ) 108' SS COD CONCRETE ° PERCENT N FUTURE PAVED ZONES AND TO 90 PERCENT ALAS. COMPACT FOR CDF CONCRETE o 0 o ° o BEDDING 120' —� N LANDSCAPING GRAVEL BACKFTLL BEDDING 120' a - PIPE REDOING TO 95 PERCENT. PRECAST CONC. ° -6° a a N PIPE SUPPORT 0 °6 a =P o �_ 5 CONTRACTOR SHALT_ UTLLRE A SHORING AND DEWATERING PIPE SUPPORTS 3 a - . a o - ON EACH SIDE 3 ° > oQ o ° N SYSTETf WHCHI STALL PREVENT LOWERING OF THE WATER ON EACH SIDE °° o0 0 0000 OF J094TS O 2O on WATER TABLE TABLE N THE ADJACENT WETLANDS_ THE BEGINNING AND OF JOINTS 20 20 _ 4 _ AFTER DEWATERING ENDING STATIONS ARE MINRIU,IS, THE CONTRACTOR N GRAVEL BACICFILL i•f ? BEFORE TRENCH SHALL EXTEND THE SHORING AND DEWATERING SYSTEM FAR GRAVEL BACKFlLL _ ? FOR PIPE BEDDING EXCAVATION EiI0l1GTi 50 AS TO AVOID IMPACTS TO THE WETLANDS. FOR PIPE BEDDING . -------------L--- — — 6- ALL SHORING INCLUDING SHEETING SHALL BE REMOVED _ WHEN BACKFI L IS COMPLETE. REMOVAL SHALL BE DONE WATER TABLE TYPICAL TRENCH SECTION / . q N AT A TEE AM N SUCH A WAY SO AS NOT TO DISTURB EMBEDMENT DEPTH TO BETWEEN SHORING NO SCALE 1011 12,13 20 PPE B1 DDW AND SO AS NOT TO ALLOW SLOUGHING OF BE DETERMINED BY AFTER DEWATERING 14,15,16.1 ADS UNDISTURBED SQL, CONTRACTOR BEFORE TRENCH EXCAVATION 7. ALL SHORING WHICH IS N CONTACT WITH CDF SHALL UTi.QE A BOND BREAKER TO ENSURE REMOVAL WITHOUT DISTURBANCE OF THE COF o a EXCAIMATIONM SPOILS MAY NOT BE PLACED ALONGSIDE TRENCH EXCAVATION ADJACENT TO STREAM - THE TROT ADJACENT TO THE WETLANDS. SPOILS WILL NO SCALE 15 20 c BE REMOVED AND STORED N A LOCATION AT LEAST 100 FEET AWAY FROM ANY WETLANDS. 1 0° o C1 9. TRENCH DAMS PER V -4° I N 3 SHALL BE PLACED AT 300' MAX �2020 FDER1fALS ALONG TRENCH- 8• 1 8" _ -H w 10- MATCH EXISTING GRADES AND SURFACES. 2" 2" t 11 -THE WATER TABLE SHOWN ON THE DETAIL IS DAGRAMATIC #4 LIFT HOOK I ONLY AND MAY VARY N DECEMBER 1993 THE WATER TABLE WAS APPROXWTELY AT ELEVATION 110.0. 0-n.-ER _ DATA FOR AN ADJACENT PROJECT INDICATE WATER TABLE r+ AT 105.0 N THE SUMMER OF 1992. THESE ELEVATIONS # \ ` ` SHALL BE USED FOR 9FCMMATION PURPOSES ONLY e I e l PRECAST CONCRETE I PIPE SUPPORT ADJUST PIPE TO FINAL # ° TYPICAL SECTION AT PIPE S_ UPPORT F ALIGNMENT USING WEDGES N NO SCALE 20 20 I i1. c o ?� m SECTION rE CUT FROM 67x12° ` SCALE: 1 1 /2 " =l' -0' 20 20 TREAT® STOCK, 24` LONG P `Q PRECAST CONCRETE PIPE SUPPORT i TYPICAL PIPE SUPPORT SECTION PIPE LENGTH C 20 20 NO SCALE 20 20 2oE2o LIFT HOOK (TYP.) 2 -# 2 -# D20 L LJ -- - — — L� J. w - Z J 00 Z z w V-2 TYP. I PRECAST CONCRETE PRECAST CONCRETE JOINT SUPPORT 3 JOINT SUPPORTS, SEE NO SCALE 0 20 Z w0 - 1' -2" (TIP.)- w w ¢ (2 ' 1 _NW -W2611 ¢ Z TYPICAL -PLAN PIPE SUPPORT TirPlydl ASPHALT TRENCH PATCH FOR SIDE UTILITIES DETAIL DO NO SCALE 2b z 20 20 132369 Q ..REVISED TO REFLECT KING COUNTY CONSTRUCTION RECORDS 7/96 _ : - - B.T o 6.171 E T. R O Municipality of Metropolitan Seattle ,ay Im See original fil copies for Garry Struthers Associates, [nC. awvN CHECKFO sc _ HuE i+o: cin�.r u""'ii - PARALiEL NO• submittal on approval avuin Ins J.H.W? GT./$.T. A76 ' 2955 80th Avenue SE s NEMMENOED- DRAWING NO:, signatures, and r en ineer's � �� M professi n I seal CONtRAUNO: PIPE BEDDING, TRENCHING AND Mercer Island, WA. 9 8 C115 lum W/M 29 -94 SHORING DETAILS TAILS � No- 2OOf 132 w U E 2!4X ROLL 158 i 6 i H f I I� € 1